EP0996025A4 - Liquid crystal display - Google Patents

Liquid crystal display

Info

Publication number: EP0996025A4
Authority: EP; European Patent Office
Prior art keywords: liquid crystal; crystal display; display; liquid; crystal
Prior art date: 1997-07-10
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP98931050A

Other languages

German (de)

French (fr)

Other versions

EP0996025B1 (en

EP0996025A1 (en

Inventor

Takashi Akiyama

Masafumi Ide

Kanetaka Sekiguchi

Masami Kikuchi

Yuichi Akiba

Koji Nakagawa

Koichi Hoshino

Takashi Toida

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Citizen Watch Co Ltd

Original Assignee

Citizen Watch Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1997-07-10

Filing date

1998-07-10

Publication date

2004-03-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16168621&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0996025(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1998-07-10 Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd

2000-04-26 Publication of EP0996025A1 publication Critical patent/EP0996025A1/en

2004-03-10 Publication of EP0996025A4 publication Critical patent/EP0996025A4/en

2006-04-19 Application granted granted Critical

2006-04-19 Publication of EP0996025B1 publication Critical patent/EP0996025B1/en

2018-07-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
- G02F1/133521—Interference filters
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133533—Colour selective polarisers
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133545—Dielectric stack polarisers
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133553—Reflecting elements

Landscapes

Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Mathematical Physics (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Liquid Crystal (AREA)
Optical Filters (AREA)
Polarising Elements (AREA)
Optical Elements Other Than Lenses (AREA)
Electric Clocks (AREA)

EP98931050A 1997-07-10 1998-07-10 Liquid crystal display Expired - Lifetime EP0996025B1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP18531097		1997-07-10
JP18531097		1997-07-10
PCT/JP1998/003108 WO1999003017A1 (en)	1997-07-10	1998-07-10	Liquid crystal display

Publications (3)

Publication Number	Publication Date
EP0996025A1 EP0996025A1 (en)	2000-04-26
EP0996025A4 true EP0996025A4 (en)	2004-03-10
EP0996025B1 EP0996025B1 (en)	2006-04-19

Family

ID=16168621

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98931050A Expired - Lifetime EP0996025B1 (en)	1997-07-10	1998-07-10	Liquid crystal display

Country Status (10)

Country	Link
US (1)	US6577360B1 (en)
EP (1)	EP0996025B1 (en)
JP (2)	JP3310678B2 (en)
KR (1)	KR100386131B1 (en)
CN (1)	CN1162739C (en)
AU (1)	AU8128698A (en)
BR (1)	BR9811708A (en)
DE (1)	DE69834252D1 (en)
HK (1)	HK1028109A1 (en)
WO (1)	WO1999003017A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0930522B1 (en) *	1997-07-30	2014-09-17	Citizen Holdings Co., Ltd.	Liquid crystal display
US6738112B1 (en) *	1998-09-25	2004-05-18	Citizen Watch Co., Ltd.	Liquid crystal display with particular use of diffusing films
EP1189095A1 (en) *	2000-09-14	2002-03-20	Asulab S.A.	Two-colour liquid crystal display unit
JP2002214584A (en) *	2001-01-05	2002-07-31	Internatl Business Mach Corp <Ibm>	Display panel device, display panel unit and display device
US6642977B2 (en)	2001-06-20	2003-11-04	3M Innovative Properties Company	Liquid crystal displays with repositionable front polarizers
WO2003034133A1 (en) *	2001-10-12	2003-04-24	Rohm Co., Ltd.	Liquid crystal display apparatus, mirror apparatus, and electric device having liquid crystal display apparatus
EP1576416A1 (en) *	2002-12-19	2005-09-21	Koninklijke Philips Electronics N.V.	Normally white super twisted nematic liquid crystal display device
KR100936957B1 (en) *	2002-12-31	2010-01-14	엘지디스플레이 주식회사	Transflective liquid crystal display
US7525604B2 (en) *	2005-03-15	2009-04-28	Naxellent, Llc	Windows with electrically controllable transmission and reflection
KR101255292B1 (en)	2005-12-23	2013-04-15	엘지디스플레이 주식회사	Liquid Crystal Display Device
US7973998B2 (en)	2007-05-18	2011-07-05	Serious Materials, Inc.	Temperature activated optical films
US7755829B2 (en) *	2007-07-11	2010-07-13	Ravenbrick Llc	Thermally switched reflective optical shutter
SG11201506508SA (en) *	2013-02-20	2015-09-29	3M Innovative Properties Co	Absorbing, reflecting and collimating polarizer stack and backlights incorporating same
CN103439828B (en) *	2013-08-07	2017-02-15	亚世光电股份有限公司	Liquid crystal display for colored display picture under mirror surface background and key manufacturing process thereof
CN106024848B (en) *	2016-08-05	2023-06-23	京东方科技集团股份有限公司	A double-sided electroluminescent display panel and display device
CN111316160A (en)	2017-11-27	2020-06-19	金泰克斯公司	Switchable polarization display
EP3692414B1 (en) *	2017-11-27	2022-03-02	Gentex Corporation	Switchable polarized displays
CN108227456A (en) *	2018-01-25	2018-06-29	村哲实业(漳州)有限公司	It is a kind of to illuminate the good clock of equal photosensitiveness
CN109031759A (en) *	2018-08-21	2018-12-18	信利半导体有限公司	Liquid crystal display panel and liquid crystal display device
JP2022531373A (en) *	2019-05-03	2022-07-06	スリーエムイノベイティブプロパティズカンパニー	Optical system
EP4127793A4 (en) *	2020-03-25	2024-05-08	Magic Leap, Inc.	OPTICAL DEVICE WITH ONE-WAY MIRROR
EP4016173B1 (en) *	2020-12-21	2024-08-14	The Swatch Group Research and Development Ltd	Method for manufacturing a liquid crystal display device and liquid crystal display device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2023301A (en) *	1978-05-24	1979-12-28	Citizen Watch Co Ltd	Colour polarizing film containing a dichroic dye, especially for use with liquid crystal display devices
US4448491A (en) *	1979-08-08	1984-05-15	Canon Kabushiki Kaisha	Image display apparatus
WO1995017699A1 (en) *	1993-12-21	1995-06-29	Minnesota Mining And Manufacturing Company	Reflective polarizer display
WO1995017692A1 (en) *	1993-12-21	1995-06-29	Minnesota Mining And Manufacturing Company	Reflective polarizer with brightness enhancement
JPH08271892A (en) *	1995-03-28	1996-10-18	Nitto Denko Corp	Polarized light forming method, device therefor and liquid crystal display device
WO1997001788A1 (en) *	1995-06-26	1997-01-16	Minnesota Mining And Manufacturing Company	Transflective displays with reflective polarizing transflector
EP0825477A2 (en) *	1996-08-23	1998-02-25	Seiko Epson Corporation	Display device and electronic apparatus using the same
EP0862076A1 (en) *	1996-09-17	1998-09-02	Seiko Epson Corporation	Display and electronic apparatus using the same
EP0928983A1 (en) *	1997-06-30	1999-07-14	Citizen Watch Co., Ltd.	Watch

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54125997A (en) *	1978-03-24	1979-09-29	Hitachi Ltd	Liquid crystal display unit
JPS54153066A (en)	1978-05-23	1979-12-01	Keiji Iimura	Electronic analogue timepiece
JPS5657026A (en) *	1979-10-17	1981-05-19	Chisso Corp	Liquid crystal color display device
JPS58121007A (en) *	1982-01-13	1983-07-19	Mitsubishi Electric Corp	Polarizing plate
JPS63121822A (en) *	1986-11-11	1988-05-25	Victor Co Of Japan Ltd	Liquid crystal display element
US5828488A (en) *	1993-12-21	1998-10-27	Minnesota Mining And Manufacturing Co.	Reflective polarizer display
JPH08201760A (en)	1995-01-23	1996-08-09	Hitachi Ltd	Liquid crystal display

1998
- 1998-07-10 EP EP98931050A patent/EP0996025B1/en not_active Expired - Lifetime
- 1998-07-10 JP JP50845599A patent/JP3310678B2/en not_active Expired - Lifetime
- 1998-07-10 US US09/462,566 patent/US6577360B1/en not_active Expired - Fee Related
- 1998-07-10 KR KR10-1999-7010396A patent/KR100386131B1/en not_active IP Right Cessation
- 1998-07-10 BR BR9811708-4A patent/BR9811708A/en not_active IP Right Cessation
- 1998-07-10 CN CNB988065215A patent/CN1162739C/en not_active Expired - Fee Related
- 1998-07-10 DE DE69834252T patent/DE69834252D1/en not_active Expired - Lifetime
- 1998-07-10 AU AU81286/98A patent/AU8128698A/en not_active Abandoned
- 1998-07-10 WO PCT/JP1998/003108 patent/WO1999003017A1/en active IP Right Grant
2000
- 2000-11-23 HK HK00107484A patent/HK1028109A1/en not_active IP Right Cessation
2001
- 2001-10-29 JP JP2001330578A patent/JP3617828B2/en not_active Expired - Fee Related

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2023301A (en) *	1978-05-24	1979-12-28	Citizen Watch Co Ltd	Colour polarizing film containing a dichroic dye, especially for use with liquid crystal display devices
US4448491A (en) *	1979-08-08	1984-05-15	Canon Kabushiki Kaisha	Image display apparatus
WO1995017699A1 (en) *	1993-12-21	1995-06-29	Minnesota Mining And Manufacturing Company	Reflective polarizer display
WO1995017692A1 (en) *	1993-12-21	1995-06-29	Minnesota Mining And Manufacturing Company	Reflective polarizer with brightness enhancement
JPH08271892A (en) *	1995-03-28	1996-10-18	Nitto Denko Corp	Polarized light forming method, device therefor and liquid crystal display device
WO1997001788A1 (en) *	1995-06-26	1997-01-16	Minnesota Mining And Manufacturing Company	Transflective displays with reflective polarizing transflector
EP0825477A2 (en) *	1996-08-23	1998-02-25	Seiko Epson Corporation	Display device and electronic apparatus using the same
EP0862076A1 (en) *	1996-09-17	1998-09-02	Seiko Epson Corporation	Display and electronic apparatus using the same
EP0928983A1 (en) *	1997-06-30	1999-07-14	Citizen Watch Co., Ltd.	Watch

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 02 28 February 1997 (1997-02-28) *
See also references of WO9903017A1 *
UNATE T ET AL: "AN ACTIVE-MATRIX COLOR LCD WITH HIGH TRANSMITTANCE USING AN OPTICAL INTERFERENCE FILTER", PROCEEDINGS OF THE INTERNATIONAL DISPLAY RESEARCH CONFERENCE JAPAN DISPLAY, XX, XX, 1989, pages 434 - 437, XP000560693 *

Also Published As

Publication number	Publication date
JP2002196321A (en)	2002-07-12
EP0996025B1 (en)	2006-04-19
CN1261444A (en)	2000-07-26
US6577360B1 (en)	2003-06-10
BR9811708A (en)	2000-07-25
HK1028109A1 (en)	2001-02-02
EP0996025A1 (en)	2000-04-26
JP3310678B2 (en)	2002-08-05
KR100386131B1 (en)	2003-06-02
AU8128698A (en)	1999-02-08
DE69834252D1 (en)	2006-05-24
WO1999003017A1 (en)	1999-01-21
CN1162739C (en)	2004-08-18
KR20010012443A (en)	2001-02-15
JP3617828B2 (en)	2005-02-09

Publication	Publication Date	Title
GB2327137B (en)	2000-02-09	Liquid crystal display
GB2326012B (en)	2002-02-27	Liquid crystal display
GB2321553B (en)	2000-02-09	Liquid crystal displays
EP0933663A4 (en)	2000-11-29	Liquid crystal display
HK1022191A1 (en)	2000-07-28	Liquid crystal display
HK1022954A1 (en)	2000-08-25	Liquid crystal display
HK1022953A1 (en)	2000-08-25	Liquid crystal display
GB2329275B (en)	2000-03-22	Liquid crystal display having improved common line
GB2320766B (en)	1999-08-11	Liquid crystal displays
GB2318201B (en)	1999-05-05	Liquid crystal displays
EP1008896A4 (en)	2005-05-18	Liquid crystal display device
TW560626U (en)	2003-11-01	Liquid crystal display
EP1074875A4 (en)	2006-07-26	Liquid crystal display
EP0996025A4 (en)	2004-03-10	Liquid crystal display
EP1039333A4 (en)	2001-01-03	Liquid crystal display
GB2314209B (en)	1999-01-27	Liquid crystal displays
EP1018664A4 (en)	2003-06-04	Liquid crystal display
EP0890864A4 (en)	2000-08-09	Liquid crystal display
HK1022527A1 (en)	2000-08-11	Liquid crystal display
EP0903612A4 (en)	2000-09-27	Liquid crystal display
GB9608114D0 (en)	1996-06-26	Liquid crystal display
EP0824297A4 (en)	1999-11-24	Liquid crystal display
GB2313204A8 (en)	1998-01-19	Liquid crystal display element
GB2325773B (en)	2001-09-12	Liquid crystal display device
EP1063564A4 (en)	2005-09-14	Liquid crystal display

Legal Events

Date	Code	Title	Description
2000-03-10	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2000-04-26	17P	Request for examination filed	Effective date: 20000107
2000-04-26	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): CH DE FR GB LI
2001-11-21	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: CITIZEN WATCH CO. LTD.
2004-03-10	A4	Supplementary search report drawn up and despatched	Effective date: 20040123
2004-10-13	17Q	First examination report despatched	Effective date: 20040825
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